Specifications
Type: 2-Channel Full-Range Class D Amplifier
Series: Diamond Audio DXM Marine / Motorsport Series
Channels: 2
Power Output (RMS @ 14.4V):
• 150 W × 2 @ 4 Ω
• 300 W × 2 @ 2 Ω
• 600 W × 1 (Bridged @ 4 Ω)
Total Power Output: 600 W RMS / 1,200 W Max
Frequency Response: 10 Hz – 35 kHz (±1 dB)
Signal-to-Noise Ratio: >90 dB
THD (Total Harmonic Distortion): <0.05%
Input Sensitivity: 200 mV – 6 V
Input Impedance: 22 kΩ
Crossover Type: Variable High-Pass / Low-Pass Filters
Crossover Range: 50 Hz – 500 Hz (12 dB/Octave)
Bass Boost: 0 – 12 dB @ 45 Hz
Preamp Outputs: Full-Range RCA Pass-Through
Power Terminals: 4 AWG Input / 8 AWG Speaker Output
Fuse Rating: 2 × 25 A (Internal Mini Blade Fuse)
Cooling System: Conduction-Cooled Aluminum Heatsink with Micro-Fin Design
Operating Voltage: 9 V – 16 V DC
Protection Features: Thermal, Overload, Short Circuit, and DC Offset
Construction: Marine-Grade Conformal Coated PCB
Water Resistance: IPX65 Certified (Splash & Corrosion Resistant)
Dimensions (L×W×H): 8.5" × 5.5" × 1.8" (216 × 140 × 46 mm)
Weight: 4.2 lbs
Warranty: 1-Year Manufacturer Warranty
Performance Specs
• Compact, high-efficiency Class D design delivers big power in a small chassis.
• Engineered for marine, motorcycle, and UTV applications demanding durability and clarity.
• Full-range design allows for mids, highs, or subwoofer operation with flexible crossover control.
• Conformal-coated internal circuitry prevents moisture and salt corrosion damage.
• Delivers clean, powerful, and dynamic sound even in harsh outdoor environments.
Key Features
• Marine-Grade Construction – Designed for salt, water, and UV resistance.
• High-Efficiency Class D Topology – Cooler operation and lower current draw.
• Bridgeable Design – Run as 2-channel stereo or 1-channel mono for subs.
• Variable Crossovers – Tune for midrange, high-pass, or low-pass configurations.
• Compact Form Factor – Fits easily into tight compartments or fairings.
• Full Protection Suite – Guards against overheating, overloads, and shorts.
• RCA Pass-Through – Enables multi-amp system expansion.
• Diamond Audio Engineering – Proven reliability for marine and motorsport audio systems.
Performance Integration Notes
• Ideal Pairing: Diamond HXM65F4, MS65NEO, or MSPRO65 speakers.
• System Compatibility: Marine, Harley-Davidson®, UTV, or off-road installations.
• Recommended Use: Mids/highs amplifier or bridged subwoofer channel.
• Installation Time: Approx. 1 hour.
• Pro Tip: For marine installs, mount amplifier vertically to enhance drainage and airflow — use marine-grade tinned copper wire for power and signal connections.
